Its fun to make a prank virus, but getting the real thing is not so great. April Fools' Day is a good opportunity for hackers to spread viruses, as people will open suspicious e-mails more readily, thinking they're jokes. You should avoid any emails whose sender you are not familiar with, and remember: if something looks malicious, it probably is.

Here are a few latest threats from Symatec.com: 1. Multiple sites affected in IFRAME attackMany popular sites have been affected by IFRAME injection attacks. Ensure that antivirus software is up to date and that all Windows updates are installed. More...